# Mood Tracker vs Sudden Reminder

The clearest difference is price: Mood Tracker at Free against Sudden Reminder's $0.99. Sudden Reminder's advantage is in-app purchases (none vs 3) and update cadence (daily vs weekly). On ads and device support there is nothing between them.

Mood Tracker is free to download; Sudden Reminder costs $0.99 up front. Mood Tracker sells 3 in-app purchases, starting at $1.99 per month. Sudden Reminder asks for nothing beyond the download.

Mood Tracker ships an update weekly, Sudden Reminder daily. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mood Tracker | Sudden Reminder |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 5 MB | 21 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +9 |
| Developer | [Introspect Technologies Limited](https://appshunter.io/developer/1816219518) | [GYUGWANG LEE](https://appshunter.io/developer/1759390812) |

## What reviewers say

### Mood Tracker

[App page](https://appshunter.io/ios/app/mood-tracker-self-care-diary/id6746335621)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY | $1.99 | per month |
| ANNUAL | $9.99 | per year |
| LIFETIME PURCHASE | $19.99 | one-time |


### Sudden Reminder

[App page](https://appshunter.io/ios/app/sudden-reminder/id6754346008)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mood Tracker free?

Mood Tracker is free to download, with in-app purchases available.

### Is Sudden Reminder free?

Sudden Reminder costs $0.99, with no in-app purchases.

### Do Mood Tracker or Sudden Reminder have ads?

Neither Mood Tracker nor Sudden Reminder shows ads.

### Which is updated more often, Mood Tracker or Sudden Reminder?

Mood Tracker ships an update weekly, and Sudden Reminder daily. Most recently, Mood Tracker was updated on October 25, 2026 and Sudden Reminder on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*